projector

noun

pro·​jec·​tor prə-ˈjek-tər 

1

: one that plans a project

specifically : promoter

2

: one that projects: such as

a

: a device for projecting a beam of light

b

: an optical instrument for projecting an image upon a surface

c

: a machine for projecting movies on a screen

3

: an imagined line from an object to a surface along which projection takes place

Examples of projector in a Sentence

Recent Examples on the Web

And the ceiling was like a screen for me with a projector running. —Beryl Love, Cincinnati Enquirer, 4 Sep. 2025

Speaking of headlights, the Concept C gets narrow ones with four elements that switch in place between daytime running lamps and proper projector beams for use after dark. —Abhimanyu Ghoshal, New Atlas, 3 Sep. 2025

Check out our other guides to the best telescopes, binoculars, cameras, star projectors, drones, lego and much more. —Paul Brett, Space.com, 2 Sep. 2025

This mini projector is built for anyone who wants big-screen viewing without the hassle of wires or bulky equipment. —Shubham Yewale, PC Magazine, 2 Sep. 2025

Word History

First Known Use

1596, in the meaning defined at sense 1

Phrases Containing projector

• opaque projector
• overhead projector

Rhymes for projector

• bisector
• collector
• connector
• corrector
• defector
• deflector
• detector
• director
• dissector
• effector
• ejector
• elector

Kids Definition

projector

noun

pro·​jec·​tor prə-ˈjek-tər 

: a machine for projecting an image or pictures upon a surface

a motion-picture projector

a slide projector